Trim ring for ventilation housing



FIG. 1 is an axonometric top, front, left view of my new design.

FIG. 2 is an axonometric bottom, rear, left view of my new design.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is a right side elevational view thereof.

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines illustrate portions of the trim ring for ventilation housing that form no part of the claimed design. 

CLAIM The ornamental design for a trim ring for ventilation housing, as shown and described. 